Concurrent Programming

I noticed that Concurrent Programming, Functional Programming and Parallel Programming became one of phenomenon for developer from SD West 2009.
There are many session which focus on concurrent Programming such as F#, Scala, Clojure, Ruby and Java with multi-thread.
With coming multi-core cpu, concurrent programming seems inevitable choice for developer who are daily meeting scaling issue.

2. Functional Programming
Writing concurrent programming with functional language is much easy to solve synchronization issue, because all the variables are immutable in functional programming. There is nothing to synchronize. It enables developers to feel free to write concurrent program.
F#, Scala, Clojure, Erlang and Ruby are a few examples of functional languages meeting this requirement.

For solving scaling issues or using multi-core processor, concurrent programming is not an option to us anymore. It becomes one of the essential parts of our development.